's no more. so, of course, it's fearful. it's really uncertain situation. >> ifill: and jeffrey brown explores the merits of a liberal arts education with columbia university professor andrew delbanco, author of a new book called "college." >> the college classroom should be a place where students learn to speak with civility, to listen with respect to each other and, most of all, to realize that they might walk into the room in one point of view and they might walk out with another. >> woodruff: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> this is the at&t network-- a living, breathing intelligence bringing people together to bring new ideas to life. >> look, it's so simple. >> in here, the bright minds from inside and outside the company come together to work on an idea, adding to it from the road, improving it in the cloud, all in real time. >> good idea. >> it's the at&t network. providing new ways to work together, so business works better. >> and by the alfred p. sloan foundation. supporting science, technology, and improved